The middle man in a three-way butt-fuck, after the act has been completed and the outside participants have gone home.
A Lucky Pierre, post bum chain episode, once alone and able to contemplate the severe turd smashing he not only received but handed out.

Ivan cried as he crouched in the dark corner with his asshole gaping open like a hookers labia and his dick smelling like the test lab at the Depends factory. He couldn't believe the guys had left him after such a wild night of gay sandwich butt blasting. He was such a sad Lonely Pierre.